(19)

(11)

EP 1 551 893 A1

(12)

(43) Date of publication: 13.07.2005 Bulletin 2005/28 (21) Application number: 03742392.8 (22) Date of filing: 01.07.2003

(51) International Patent Classification (IPC)7: C08G 18/10 (86) International application number: PCT/US2003/020824 (87) International publication number: WO 2004/003047 (08.01.2004 Gazette 2004/02)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 01.07.2002 US 191237 (71) Applicants: Risen, William M Jr. Rumford, RI 02916 (US) Wang, Mingzhe Branford, CT 06405 (US)	(72) Inventors: Risen, William M Jr. Rumford, RI 02916 (US) Wang, Mingzhe Branford, CT 06405 (US) (74) Representative: Kador & Partner  Corneliusstrasse 15 80469 München 80469 München (DE)